settings/src/iLiadLanguageScreen.h File Reference

settings -Language Selection Screen More...

#include <liberdm/display.h>

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Go to the source code of this file.

Classes
struct	gtkLanguage_t
Defines
#define	LANGUAGE_SCREEN_WIDTH   SCREEN_WIDTH
#define	LANGUAGE_SCREEN_HEIGHT   SCREEN_HEIGHT
#define	LANGUAGE_SCREEN_SPACING   24
#define	LANGUAGE_BUTTON_WIDTH   640
#define	LANGUAGE_BUTTON_HEIGHT   44
#define	LANGUAGE_SCREEN_PADDING_TOP   10
#define	LANGUAGE_SCREEN_PADDING_BOTTOM   10
#define	LANGUAGE_SCREEN_PADDING_LEFT   (LANGUAGE_SCREEN_WIDTH - LANGUAGE_BUTTON_WIDTH) / 2
#define	LANGUAGE_SCREEN_PADDING_RIGHT   LANGUAGE_SCREEN_PADDING_LEFT
#define	LANGUAGE_MAX_BUTTON_NUMBER
Functions
GtkWidget *	iLiad_language_screen_create (void)
void	iLiad_language_screen_display_data (void)

---

Detailed Description

settings -Language Selection Screen

Copyright (C) 2005-2008 iRex Technologies B.V. All rights reserved.

Providing GUI to let users select language. Notes: This screen is not one page of gtk_notebook.

Definition in file iLiadLanguageScreen.h.

---

Define Documentation

#define LANGUAGE_BUTTON_HEIGHT   44

Definition at line 47 of file iLiadLanguageScreen.h.

#define LANGUAGE_BUTTON_WIDTH   640

Definition at line 46 of file iLiadLanguageScreen.h.

#define LANGUAGE_MAX_BUTTON_NUMBER

Value:

( (LANGUAGE_SCREEN_HEIGHT \
                                           -LANGUAGE_SCREEN_PADDING_TOP \
                                           - LANGUAGE_SCREEN_PADDING_BOTTOM \
                                           + LANGUAGE_SCREEN_SPACING) \
                                           / (LANGUAGE_BUTTON_HEIGHT + LANGUAGE_SCREEN_SPACING) )

Definition at line 54 of file iLiadLanguageScreen.h.

#define LANGUAGE_SCREEN_HEIGHT   SCREEN_HEIGHT

Definition at line 42 of file iLiadLanguageScreen.h.

#define LANGUAGE_SCREEN_PADDING_BOTTOM   10

Definition at line 50 of file iLiadLanguageScreen.h.

#define LANGUAGE_SCREEN_PADDING_LEFT   (LANGUAGE_SCREEN_WIDTH - LANGUAGE_BUTTON_WIDTH) / 2

Definition at line 51 of file iLiadLanguageScreen.h.

#define LANGUAGE_SCREEN_PADDING_RIGHT   LANGUAGE_SCREEN_PADDING_LEFT

Definition at line 52 of file iLiadLanguageScreen.h.

#define LANGUAGE_SCREEN_PADDING_TOP   10

Definition at line 49 of file iLiadLanguageScreen.h.

#define LANGUAGE_SCREEN_SPACING   24

Definition at line 44 of file iLiadLanguageScreen.h.

#define LANGUAGE_SCREEN_WIDTH   SCREEN_WIDTH

Definition at line 41 of file iLiadLanguageScreen.h.

---

Function Documentation

GtkWidget* iLiad_language_screen_create

(

void

)

Definition at line 75 of file iLiadLanguageScreen.c.

{
    GtkWidget*  window;
    GtkWidget*  background;
    GtkWidget*  alignment;
    GtkWidget*  vbox;
    GtkWidget*  button;
    GtkWidget*  selection;
    gint        i, nbuttons; 
    GtkToggleButton* button_tbl[LANGUAGE_MAX_BUTTON_NUMBER + 1];
    gint        paddingTop, paddingBottom;

    g_locale_installed_num = find_installed_locales(&g_locale_installed_tbl);
    // calculate how many buttons to be created
    nbuttons = ( (g_locale_installed_num <= LANGUAGE_MAX_BUTTON_NUMBER) 
                  ? g_locale_installed_num : LANGUAGE_MAX_BUTTON_NUMBER);

    // window
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(window), PACKAGE " " VERSION);
    gtk_window_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
    gtk_container_set_border_width(GTK_CONTAINER(window), 0);
    gtk_widget_set_size_request(GTK_WIDGET(window), SCREEN_WIDTH, SCREEN_HEIGHT);
    gtk_window_set_modal(GTK_WINDOW(window), TRUE);
    gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
    gtk_window_fullscreen(GTK_WINDOW(window)); 
    g_select_language.window = window; 

    // background
    background = gtk_event_box_new();
    gtk_widget_set_name(background, "language_background");
    gtk_widget_set_size_request(background, LANGUAGE_SCREEN_WIDTH, LANGUAGE_SCREEN_HEIGHT);
    gtk_container_add(GTK_CONTAINER(window), background);

    // alignment
    alignment = gtk_alignment_new(0, 0, 0, 0);
    // calculate top padding and bottom padding
    paddingTop = (LANGUAGE_SCREEN_HEIGHT + LANGUAGE_SCREEN_SPACING
                     - (LANGUAGE_BUTTON_HEIGHT + LANGUAGE_SCREEN_SPACING) * nbuttons) / 2;
    paddingBottom = paddingTop;
    ST_LOGPRINTF("top padding = %d, bottom padding = %d", paddingTop, paddingBottom);
    gtk_alignment_set_padding(GTK_ALIGNMENT(alignment),
                              paddingTop, paddingBottom,
                              LANGUAGE_SCREEN_PADDING_LEFT, LANGUAGE_SCREEN_PADDING_RIGHT);
    gtk_container_add(GTK_CONTAINER(background), alignment);
    
    // vbox
    vbox = gtk_vbox_new(FALSE, LANGUAGE_SCREEN_SPACING);
    gtk_container_add(GTK_CONTAINER(alignment), vbox);
    
    // button
    ST_LOGPRINTF("Creating %d buttons.", nbuttons);
    
    for (i = 0 ; i < nbuttons ; i++)
    {
        button = ergtk_toggle_button_new_with_label( g_locale_installed_tbl[i].long_name );
        button_tbl[i] = GTK_TOGGLE_BUTTON(button);
        gtk_widget_set_size_request(button, LANGUAGE_BUTTON_WIDTH, LANGUAGE_BUTTON_HEIGHT);
        gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
        g_signal_connect(G_OBJECT(button), "button_press_event", 
                G_CALLBACK(on_language_button_press), button);
    }
    button_tbl[i] = NULL;
    
    // selection
    selection = ergtk_selection_group_new(button_tbl);
    ergtk_selection_group_set_details(ERGTK_SELECTION_GROUP(selection), 0, 1);
    g_select_language.selection = selection;

    // signal handlers
    g_signal_connect(G_OBJECT(background), "expose-event", G_CALLBACK(on_language_expose), NULL);
    g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(on_language_destroy), &g_select_language);
    g_signal_connect(G_OBJECT(window), "key-press-event", G_CALLBACK(on_language_key_press), &g_select_language);

    g_signal_connect(G_OBJECT(selection), "selection-update", 
            G_CALLBACK(on_language_selection_update), &g_select_language);

    gtk_widget_show_all(background);
    
    // return
    return window;
}

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void iLiad_language_screen_display_data

(

void

)

Definition at line 158 of file iLiadLanguageScreen.c.

{
    gint        i;
    const char* locale;

    ST_LOGPRINTF("entry");

    // get the current language setting
    locale = iLiad_language_data_get();
   
    // get the index of button 
    for (i = 0 ; i < g_locale_installed_num ; i++)
    {
        if (strcmp(locale, g_locale_installed_tbl[i].code) == 0)
        {
            // found
            break;   // exit for
        }
    }
    
    if (i == g_locale_installed_num)
    {
        // not found
        ST_WARNPRINTF("Locale [%s] not installed.", locale);
    }
    else
    {
        // found
        GtkToggleButton* button = NULL;
        ST_LANGUAGEPRINTF("%s %s", locale, g_locale_installed_tbl[i].name);
        button = ergtk_selection_group_get_button((erGtkSelectionGroup*)g_select_language.selection, i);
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
        gtk_widget_grab_focus(GTK_WIDGET(button));
    }
}

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